Squishy Taylor and the bonus sisters

Sita (A.K.A . Squishy) has moved in with her father and his new family, which includes a pair of twin girls (Jessie and Vee) while her mother is away on a security assignment in Geneva, and she is finding her "bonus sisters" difficult to get along with even though they are only five months older--but when Vee finds out that Squishy is feeding a runaway boy who is hiding in the apartment house garage the two girls discover that a shared secret can be the starting point of a firm friendship.