The Treehouse Gang

The Treehouse Gang is a 2014 comedy film.

Plot
A group of friend who ran a junior detective agency as children are reunited 30 years later after one of them dies under mysterious circumstances. Convinced foul play was involved, the remaining friends decide to stick around town to solve one last mystery. Questioning everyone from city officials to friendly old ladies, they soon realize that murder is much harder to solve than missing pets.

Cast
Will Ferrell as Vince

Steve Carell as Arthur

John C. Reilly as Chuck

Chris Rock as Brain

Rob Riggle as Michael

Rainn Wilson as Steven