Watch Bloodletting and Miraculous Cures

Ming (Mayko Nguyen) finally realizes her dream of motherhood, though the donor plans she and Chen (Byron Mann) made with Fitz (Shawn Ashmore) don't turn out exactly as planned. In the process, Fitz learns to recognize his ability to love and be loved and Chen feels confident enough to pursue his writing aspirations. With special guest star Stuart Hughes (Booky's Crush).

After Fitz (Shawn Ashmore) transports a sick patient from China who later dies, he is stricken with a mysterious respiratory ailment. He's put into isolation, but has already infected Chen (Byron Mann) who examined him. Ming (Mayko Nguyen) is in quarantine at home where she starts to reconsider their plans to adopt a child. Carrying the wounds of having never known her own mother, she's not sure it's a prudent thing to do.

Fitz (Shawn Ashmore) goes to Guatemala for amed-evac escort. Unfortunately, his patient has bleeding in the brain and if he doesn't die there, is likely to be killed by the cabin pressure on the flight home. Back in Toronto, Ming (Mayko Nguyen) contends with an emergency delivery when her patient's baby gets tangled in her umbilical cord. And Chen (Byron Mann) finally conceives a future for himself outside medicine. With special guest stars Debra Lynne McCabe (The Border, Guns) and Tatiana Maslany (Heartland, Instant Star).

It's Christmas Eve and chaos reigns in the emergency room. Fitz (Shawn Ashmore) contends with some hard-assed cops and a belligerent patient. It's a contentious situation that he initially handles well, but as the evening progresses he spirals out of control to a very self-destructive place. When Chen (Byron Mann) finds himself dealing with the family of a man who died in a brothel, he starts to question his own views on medicine and family. Meanwhile, though she's not embroiled in the turmoil of the hospital, Ming (Mayko Nguyen) is confronted by her father's strange solution to her fertility problems. With special guest stars Zoie Palmer (The Guard, Instant Star) and Dan Lett (Queer as Folk, Wind at my Back).

As Fitz (Shawn Ashmore) and Ming (Mayko Nguyen) debate the merits of their insemination plans, the doctors revisit their past entanglements. Fitz finds himself challenged by the demands of a psychotic patient. Chen (Byron Mann) is called away to Brisbane to visit his dying grandfather. And Ming comes to terms with her surprise pregnancy and what it means for her future. With guest stars Maria Del Mar (24, Terminal City, Blue Murder) and Kristopher Turner (Instant Star, Dark Oracle).

The present. Jealous and sensing ulterior motives in Fitz's (Shawn Ashmore) return to Toronto, Chen (Byron Mann) confronts him with a stash of love letters he wrote to Ming (Mayko Nguyen). The two come to blows then reflect back on a time during their residency when they helped each other out during a Code Blue. At the ensuing peer assessment review, Fitz takes stock of his mettle as a doctor, his motives as a friend and his true feelings for Ming. With special guest star Stephen McHattie (Watchman, Cold Squad).

Fitz (Shawn Ashmore) and Ming (Mayko Nguyen) talk about their imminent insemination plans. Fitz tells her that since he's decided to stay in Toronto and work at Mercy, he'll understand if she changes her mind. But she still wants to go forward even though she knows it will be uncomfortable for everyone.Their plans incite the doctors to reflect back on their early days as residents at the hospital and the professional and romantic rivalries that took root. With special guest stars Angela Vint (This is Wonderland, Traders) and Stuart Hughes (Booky's Crush).

As Ming (Mayko Nguyen) gets ready to proceed with her plans for artificial insemination, her husband, Chen (Byron Mann), is stressed and fantasizing about street races and infidelity. The sperm donor, Fitz (Shawn Ashmore), their medical school classmate and Ming's former boyfriend, is considering reinstatement at the hospital which stirs up a lot of unresolved issues. His return would also create more tension between the trio since he wouldn't be an absentee donor after all, but working alongside the couple every day. Special guest stars include Alison Sealy-Smith (Da Kink in My Hair, M.V.P.) and Maurice Dean Wint (Blue Murder).