Three astronomers accidentally intercept what they believe to be a signal from a distant alien civilisation, but the truth is even more incredible than any of them could have imagined.

In an alternate reality, children learn how lucky they will be (their "frequency"), knowledge which shapes their destiny. The unluckiest boy must parse the mysteries of free will in order to pursue his forbidden love of the luckiest girl.

A zealous cognitive psychologist stumbles across an unbelievable discovery - a way of communicating with the other side. His joy is short-lived, however, as his daughter is put into potentially grave danger and when all leads go cold, he takes matters into his own hands to find out the truth.