Tense Thriller, but fails to keep itself restrained, thus losing plausibility

Rating: 7/10 (22 March 2016)

'10 Cloverfield Lane' is about a woman held captive because her captor is convinced he's protecting her from a virus outside. She meets another man there, who's also being held captive. Throughout the movie, you're wondering whether the captor's insane, or if he's protecting them from a lethal disease outside.
It's a movie that invites comparisons. I'd personally compare it to 'Take Shelter', a film about a man who predicts a storm and hides him family in a bomb shelter, but throughout it's never clear whether he's right or if he's just imagining it. Another comparison is 'Misery', a story about a man being held captive who attempts to escape.
It's a tense, scary and gripping thriller focusing on their attempts to escape and uncover the truth about their captor. John Goodman who plays the captor, is fierce and intimidating, not a guy to be messed with. When the other two characters attempt to mess with his plans, this creates for great conflict and tension.
There's a subplot about a dead relative of the captor, which leads to interesting mystery investigation, but doesn't get fully developed.
Toward the end, it jumps the shark, forgetting to keep itself restrained, and gets a bit over the top, losing its plausibility.