When Clarke (Eliza Taylor) discovers a horrifying project being carried out in Mount Weather's medical ward, she joins forces with an unlikely ally. After Abby (Paige Turco) confesses to committing a crime, Kane (Henry Ian Cusick) issues an order to have her brutally punished. Meanwhile, Monty (Chris Larkin) warns a distracted Jasper (Devon Bostick) that Clarke could be in trouble, and Octavia (Marie Avgeropoulos) continues to fight for Lincoln (Ricky Whittle).