Orphan Black - Season 4

A flashback to Beth Childs' final investigation, days before her suicide.

After fleeing Iceland, Sarah begins searching for M.K. and uncovers new clues to Beth's breakdown. Scott learns Kendall Malone is hiding something. (imdb)

As Sarah scrambles to learn more about her implant, Alison and Donnie take a drastic step to help. Meanwhile, Kira has a disturbing vision. (imdb)

While Cosima examines Leekie's body, Felix and Donnie pose as a couple to learn more about a fertility clinic. Sarah discovers M.K. has her own agenda. (imdb)

A risky cover mission at Brightborn yields several big surprises. The rift between Sarah and Felix grows as she checks up on Adele. (imdb)

Seeing that it is the best overall solution yet not perfect by any means, Sarah and Cosima decide with Kendall's OK to set up an agreement with Susan Duncan, which they will not divulge to Mrs. S. until everything is arranged as they know she won't like what they've done. (imdb)

Sarah regresses to old habits while struggling to cope with the consequences of her decisions - reconnecting with Beth on a dark night of the soul. Back at the lab, Cosima, haunted by vicious memories and news of Delphine, attempts a dangerous Hail Mary to find a cure. (imdb)

Siobhan wants vengeance for her mother. Cosima and Susan Duncan try to come together to try to finally find the cure. Neolution continues with their threats causing Alison to be terrified, and Mrs. To question her loyalty to her sestras. (imdb)

The formal alliance between the sisters on one side Susan/Rachel/Ira on the other side begins in earnest. (imdb)

When communication with Cosima is cut off and Neolution appears to be within striking distance, Sarah's alliance with Rachel goes out the window. Sarah lures a high-level Neolutionist into a trap, and sets out to bring down Neolution once and for all. (imdb)