Landslide (2006)

Manhattan fireman Mark Decker visits for the first time his Steven in his ex Emmas new apartment in one of her dad Donald Richardsons development estates at the foot of Diamandback Mountain But Dons ambitious executive Stewart Hancock who dreams of his own firm has been cutting too many corners at the expense of safety causing a landslide Mark gets trapped with Steven and the new concierge Harold who knows everything about an additional danger rattlesnakes awoken early from hibernation Now Mark discovers artistic nerdy Steven only did manly stuff in the city because dadson time is so rare While they soldier on landscape architect Emma discovers the truth and counters Stewarts plan B to literally cover it up