As the characters set up at the cabin, it is revealed that almost all of them have a dark secret; Kennedy's unspecified mental illness is flaring up due to wedding-related stress, Ryan is having an affair with Hannah, Derrick intends to extort Kennedy through Ryan in order to get the money he owes a drug dealer, and the caretaker, Bo, is the prime suspect in the disappearance of his wife, Susan.

Kennedy confronts Emily, who asserts that she slew Derrick and Hannah, and had intended to murder Ryan, to protect her, with Chet and Bo being collateral damage.

The ranger offers his condolences for all that "Kennedy" has gone through, and when he gives Emily a pen to write down who he should contact for her, she stabs him in the neck with it, and walks out into the woods, leaving her fate unknown.

Pop!, who concluded, "Death Do Us Part does a fairly good job of building tension up between the characters and establishing subplots and drama between them, but once it becomes a horror film the whole thing unravels and quickly becomes a directionless mess.

[2] In his coverage of Death Do Us Part for the Canadian Film Review, Mark Weeden called the picture a hackneyed affair that was devoid of fright, but full of boring kills, cringe-worthy attempts at emotion, and "Huh?