Quick recap
Millie is studying social work, dating lawyer Brock, and takes a job cleaning the Garricks' Manhattan penthouse. Her employer, Wendy, hides in the guest room and says her husband, Douglas, abuses her. One night she sees the man choking Wendy and fires. It was all a setup: the man was Russell, Wendy's lover, and she killed the real Douglas to pin it on Millie. With Enzo back, Millie tracks Russell to a cabin. Wendy and Russell turn up dead, the work of his betrayed wife, who makes it look like a murder-suicide. Millie is cleared and moves in with Enzo. A missing bottle of Brock's medication leaves open whether she helped.
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