Murdoch Mysteries
Blood on the Tracks
S15 E4:
As they are returning from a volleyball tournament, Effie and Brackenreid are injured when brake failure causes a train derailment. While Ogden and Hart tend to the passengers, they soon discover a dead police officer who had been transporting a now-missing prisoner. Back in Toronto, Murdoch is unexpectedly left caring for Higgins's daughter when the crawling infant escapes from the station house.