Ruby has always wanted to try out Doctor Byron's shrink ray. One night, as she and her girlfriend are working late, she propositions a woman name Grace who works in administration to let them into the lab. But Grace doesn't have a key . . . so they turn to the beautiful and mysterious custodian Marion who, through an oversight, has access. But things don't go as planned . . . When Ruby attempts enlarge something she's shrunken down, the machine malfunctions and fills the lab with radiation. Now, all four girls are growing . . . It's a race to get out of the lab, but what happens if the growth doesn't stop? Contains: (Growing women up to mega sized)