Elsa Bloodstone just can't catch a break. She's barely finished shutting down a hive of ratmen when a special ops squad turns up guns blazing - and they're shooting at her It's nothing a good grenade can't sort out though. When Elsa returns home, she discovers an unexpected guest claiming to be her long-lost sister, seeking her own stolen Bloodstone shard. The Bloodstone is the secret to Elsa's superhuman powers, and a shard in villainous hands is seriously bad news. Cue globetrotting adventures full of monster-smashing. But danger stays one step ahead of them as Elsa realizes her sister isn't quite what she seems, and an old enemy with a secret about her family's past could overturn everything Elsa's ever believed.