2020
S01E09
One family torn between two worlds...
When a massive sinkhole mysteriously opens in Los Angeles, it tears a family in half, separating mother and son from father and daughter. When part of the family finds themselves in an unexplainable primeval world, alongside a disparate group of strangers, they must work to survive and uncover the mystery of where they are and if there is a way back home.
Eve, Gavin and others attempt to commandeer a shipment of black rock to gain access to the mysterious building, where they hope to find a way to bring Josh and Riley home. Josh and Riley must act swiftly to stop Caroline from altering the timeline.