Side Effects | Must Read

: A novel by Michael Palmer about a pathologist who uncovers a conspiracy involving illegal medical testing.

: A 2002 short film about a shy man who enters a drug trial and falls in love, only for the trial's effects to complicate the relationship. Side Effects

: While on the drug, Emily sleepwalks and stabs her husband to death. She is declared not guilty by reason of insanity and sent to a psychiatric facility. : A novel by Michael Palmer about a

: Marshall is pursued by the DEA and the U.S. government, who view him as a threat to the pharmaceutical industry. Side Effects May Vary (YA Novel) A popular young adult novel by Julie Murphy . Side Effects

Help me understand the messed up ending of Side Effects(2013)