The VonLanger case has a breakthrough. In Johannesburg, Simon helps bring down Dmitri and solve the riddle of the relay. Nate is able to get to Titan Four in one piece. Lyster forces the Ulysses to land and he gets an unwelcomed shock.

Simon is a prisoner while the Mercury fights it's way through the portal. Kate is transported from alternate earth to continue her rehabilitation at the Mayo Clinic.

The Mercury departs on its mission; Simon has been kidnapped, A link to RAGE discovered by Nelson in the STIP bombing attempt, Horace to head to the Mayo to see Kate.

Kate prepares to move back to her Earth; The Mercury takes on the Marine Squad to seek out WiFi and Lyster musters his troops.

The Ulysses is hijacked by RAGE, Simon begins his manhunt for the Johannesburg bomber and the S.I.S. closes in on VonLanger

Nate must ready the Mercury for another IDF Mission, Barnes, Horace and Kelly are back home, and the S.I.S. has found the bomber suspects' van.

Simon's cover is blown, WiFi goes after Lyster to Titan 4, the S.I.S. closes in on the bomber van and Nate docks with the BSS to await his instructions.

Agent Simon confronts the bomber suspect while Nelson and Todd track down Stefan's van. Meanwhile, Nate has docked with the BSS awaiting orders while Kate is in final recovery.

Nelson's trap is sprung, The Johannesburg team gets a big lead, Lyster and Lenora seek passage abord a new cargo vessel and Nate is tasked by the IDF again.

Tony arrives in Johannesburg to join the investigation, The Controller wants Nate for another mission, Kate learns all about Kelly and the trap for VonLanger may have been set.