Misfits (2015)

Eleven uncommon young misfits: Datura, Colletia, Ricin, Rhuis, Agave, Belladonna, Droph, Daphne, Rhus and Oleander, held in a strange facility, are not fond of the new comer Lily. When she goes missing they fight to escape and save themselves. Once they find out they're entering their own personal hell, Lily turns on them.