It was the cave with The Reach and The Light having a meeting too decide the earths fate, during the meeting it was revealed that Tigress was Artemis and that Kaldur we secretly working for the young justice, this all lead too a big fight and Ra's al ghul summoning his assassins too fight and some of those assassins were other young justice member in the assassin uniform.

While the fight was happening Dick Grayson aka Nightwing was in a fight with a highly skilled assassin with a katana clearly better than the others, needing help Dick called for Tim Drake the new Robin too help him with the assassin the two managed too get his mask off... Jason Todd was supposed too be dead he was killed by the Joker but here he was staring at Dick like he didn't even know who he was and he didn't Jason just kept fighting them like a rabid animal not stopping for anything, Dick tried too calm Jason down and get him too stop fighting and try and remember him but nothing was working and Tim saw that and took the chance, so while Jason was fighting Dick he managed too tackle him and knock him out which was difficult because Jason was stronger now and a lot harder too keep still

As the fight stopped Dick picked up Jason and took him with the team too figure out what the hell was going on because Jason was supposed too be dead and why he was working for the league of shadows as an assassin (Play as Jason or Dick)