Slumberfur entered the nest and found Jinx still sleeping, he wasn't on mood to listen her complaining how she had been waken up, so he just left the squirrel close to her and exited.
When he was outside, his ears picked faint sound from the direction where Shadowclan's territory was, he listened for a moment, and concluded that it was Shadowclan's alarm-cry. At first he didn't think much about it, but then he could hear another alarm, it was even fainter, maybe coming from closer to Riverclan's border, but it too was obviously Shadowclan's. Slumberfur started to get thoughtful about what was going on, when he suddenly could hear two faint alarms from opposite direction, Windclan too.
His line of thought broke when he suddenly started feeling like someone was watching him, and it wasn't too long until he heard a rustle from a near by bush, like something had ran out of it. Without second thought Slumberfur started chasing whatever it was, but he didn't seem to be able to get any closer to it.
After a moment of running, Slumberfur had totally lost who he was chasing and grunted frustrated, before turning around to go back to the twoleg-nest. It wasn't until then, when he noticed something in a bush, one of the apprentices was laying down there, and with closer inspection, it became apparent that she had been killed. Slumberfur sounded alarm, and not long after that, another alarm could be heard from different part of the territory.